Answer:
49
Step-by-step explanation:
First plug in 7 for x and solve
7(14-7)
7(7)
49
$18. Multiply 30 by 0.4 and subtract that value from 30 to get the price after the percentage taken away.
(8x^2+5x+3)+(-5x^6-2x^5+4x^2-2x)=
8x^2+5x+3-5x^6-2x^5+4x^2-2x=
-5x^6-2x^5+(8-4)x^2+(5-2)x+3=
-5x^6-2x^5+4x^2+3x+3
Answer: Option B. -5x^6-2x^5+4x^2+3x+3
Answer:
20 inches
Step-by-step explanation:
Use the Pythagorean Theorem.